armstrong international airport. 174 passengers and ten crew members were on board the flight headed from houston to newark when it experienced a mechanical issue. >> that's what i'm trying to tell them. they can pass -- if anything's going on, it will be in the rear of the wing. third door on each side. >> which wing? >> we don't know. >> it's behind the wing where the high/low electrical stuff is. we don't anticipate anything. it's where it needs to be. >> there are only three dream liners flying in the u.s. internationally, another 33. boeing's production of the aircraft was billions over budget, and years late. it's the first commercial airliner featuring lightweight carbon composites. that means it uses less fuel, it doesn't mean fewer concerns. >> make sure they don't see any dischoration. >> they don't see anything abnormal on either side. >> it's important to note, there were no injuries during this emergency landing. united tells cnn the flight's passengers were rebooked on a different plane to newark. boeing says they're going to be troubleshooting and working with united to try to dete